A home monitor is a tracking tool, not a diagnosis. Hypertension is diagnosed and treated by a clinician using readings over time — never start, stop, or change medication based on home numbers alone.
Upper-arm or wrist?
For most people, a validated upper-arm cuff monitor is the better choice. Upper-arm devices are generally more accurate and repeatable than wrist or fingertip models, which are sensitive to arm position and motion. Wrist monitors have a place for people who genuinely cannot use an arm cuff, but they require careful positioning at heart level. See our deeper comparison of upper-arm vs. wrist.Why is cuff size the most important factor?
Cuff size affects accuracy more than almost anything else: a cuff that is too small reads falsely high, and one too large reads falsely low. Measure your upper-arm circumference and confirm it falls within the device’s cuff range before buying, and look for a large-cuff option if you have bigger arms. Our cuff size and accuracy guide explains how to measure correctly.Which features are worth paying for?
A handful of features genuinely help: an automatic (digital) one-button design, a clear, large display, reading memory or averaging so you can track trends, and an irregular-heartbeat indicator that flags a possibly uneven pulse. Multi-user memory is useful when a household shares one device. Bluetooth and apps are convenient but optional — a simple, validated monitor used consistently beats a fancy one you find fiddly.How do I know a monitor is accurate?
Look for a monitor that has been clinically validated, then sanity-check it yourself: bring it to a checkup and compare a home reading on the same arm to the clinic’s. Readings within roughly 5–10 mm Hg suggest it is tracking well. Remember that technique — resting first, sitting correctly, arm at heart level — affects accuracy as much as the device.How SonoHealth fits
SonoHealth offers the BPpro and BPMAX upper-arm home blood pressure monitors, designed for simple, repeatable at-home readings. Whichever monitor you choose, confirm the cuff fits, use it the same way each time, and share your trend with your doctor. You can see both at SonoHealth.com.When to involve your doctor
Contact your doctor if your readings are consistently high, if you see an irregular-heartbeat flag, or if anything changes. Treat a reading at or above 180/120 with symptoms as a medical emergency — call 911.Related: Home Blood Pressure Monitoring Guide · Upper-Arm vs. Wrist · Cuff Size and Accuracy · How to Measure at Home